00001 /*************************************************************************** 00002 tag: Peter Soetens Wed Jan 18 14:11:39 CET 2006 Handle.cxx 00003 00004 Handle.cxx - description 00005 ------------------- 00006 begin : Wed January 18 2006 00007 copyright : (C) 2006 Peter Soetens 00008 email : peter.soetens@mech.kuleuven.be 00009 00010 *************************************************************************** 00011 * This library is free software; you can redistribute it and/or * 00012 * modify it under the terms of the GNU General Public * 00013 * License as published by the Free Software Foundation; * 00014 * version 2 of the License. * 00015 * * 00016 * As a special exception, you may use this file as part of a free * 00017 * software library without restriction. Specifically, if other files * 00018 * instantiate templates or use macros or inline functions from this * 00019 * file, or you compile this file and link it with other files to * 00020 * produce an executable, this file does not by itself cause the * 00021 * resulting executable to be covered by the GNU General Public * 00022 * License. This exception does not however invalidate any other * 00023 * reasons why the executable file might be covered by the GNU General * 00024 * Public License. * 00025 * * 00026 * This library is distributed in the hope that it will be useful, * 00027 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00028 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00029 * Lesser General Public License for more details. * 00030 * * 00031 * You should have received a copy of the GNU General Public * 00032 * License along with this library; if not, write to the Free Software * 00033 * Foundation, Inc., 59 Temple Place, * 00034 * Suite 330, Boston, MA 02111-1307 USA * 00035 * * 00036 ***************************************************************************/ 00037 00038 00039 #include "Handle.hpp" 00040 #include "rtt-fwd.hpp" 00041 00042 00043 namespace RTT { 00044 using namespace detail; 00045 00046 Handle::Handle() 00047 : m_conn(0) 00048 { 00049 } 00050 00051 Handle::Handle(connection_t conn) 00052 : m_conn(conn) 00053 { 00054 } 00055 00056 Handle::Handle(const Handle& hs) 00057 : m_conn( hs.m_conn ) 00058 { 00059 } 00060 00061 Handle::~Handle() 00062 { 00063 } 00064 00065 bool Handle::connect() 00066 { 00067 if ( connected() ) 00068 return true; 00069 return m_conn && m_conn->connect(); 00070 } 00071 00072 bool Handle::disconnect() 00073 { 00074 if ( !connected() ) 00075 return true; 00076 return m_conn->disconnect(); 00077 } 00078 00079 bool Handle::connected() const { 00080 return m_conn && m_conn->connected(); 00081 } 00082 00083 Handle::operator bool() const { 00084 return m_conn != 0; 00085 } 00086 00087 bool Handle::ready() const { 00088 return m_conn != 0; 00089 } 00090 00091 00092 ScopedHandle::ScopedHandle(const Handle& hs) 00093 : Handle( hs ) 00094 { 00095 } 00096 00097 00098 ScopedHandle::~ScopedHandle() 00099 { 00100 this->disconnect(); 00101 } 00102 CleanupHandle::CleanupHandle(const Handle& hs) 00103 : Handle( hs ) 00104 { 00105 } 00106 00107 CleanupHandle::~CleanupHandle() 00108 { 00109 if (m_conn) 00110 m_conn->destroy(); 00111 } 00112 }